Attendees had gathered to celebrate the release of an album by Chicago drill rapper Mello Buckzz, whose legal name is Melanie Doyle. The medical examiner’s office last week identified the four dead as Leon Andrew Henry, 25, Devonte Williamson, 23, Aviance King, 27, and Taylor Walker, 26.

Shooting comes a year after another mass shooting in Philadelphia. This shooting comes almost a year after the city suf